000
AXPZ20 KNHC 240400
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC MON DEC 24 2007

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN
FROM THE EQUATOR TO 32N...EAST OF 140W. 

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2100 UTC.
 
...ITCZ...
INTERTROPICAL CONVERGENCE ZONE IS CENTERED ALONG 6N77W 6N93W 9N110W 
8N140W. SCATTERED MODERATE CONVECTION WITHIN 90 NM OF AXIS W OF 112W.

...DISCUSSION...
LONG WAVE TROUGH AXIS N OF 20N ALONG 112W. A PLUME OF UPPER LEVEL 
MOISTURE AND MULTI LEVEL CLOUDS IS EAST OF THE TOUGH AXIS MOVING OVER
CENTRAL MEXICO. SHORT WAVE ROTATING THROUGH THE LONG WAVE TROUGH 
EXTENDS FROM 30N108W TO 25N129W. AN UPPER RIDGE EXTENDS FROM DEEP IN 
THE TROPICS NEAR 12N128W NW TO 22N140W. DIFFLUENCE ASSOCIATED WITH 
THIS RIDGE EXTENDS FROM THE ITCZ TO 18N BETWEEN 120W AND 140W. THIS 
DIFFLUENCE IS ENHANCING ITCZ CONVECTION W OF 115W.

STRONG SURFACE RIDGE IS NORTH OF THE ITCZ WEST OF 115W. ELSEWHERE A 
BROAD TROUGH IS ANALYZED. GAP WINDS UP TO 25 KNOTS WILL PERSIST IN 
THE GULF OF PAPAGAYO REGION THE NEXT 36-48 HOURS. LATEST QUIKSCAT 
SHOWS 35-40 KT WINDS IN THE GULF OF TEHUANTEPEC. GALE FORCE WINDS 
EXPECTED TO CONTINUE THE NEXT 12-18 HOURS. GAP WINDS WILL CONTINUE 
THROUGH 48 HOURS...REMAINING IN THE 20 TO 25 KT RANGE. LARGE AREA OF 
OVERCAST STRATOCUMULUS IS LOCATED WITHIN 300 NM EITHER SIDE OF A 
LINE FROM 18N120W TO 26N140W.

$$
MUNDELL